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Method for monitoring a rotational angle sensor on an electrical machine

  • US 6,426,633 B1
  • Filed: 06/14/2000
  • Issued: 07/30/2002
  • Est. Priority Date: 06/18/1999
  • Status: Expired due to Fees
First Claim
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1. Method for monitoring a rotational angle sensor on an electrical machine, comprising the steps of measuring the electrical power of the machine, estimating a power value using an output signal of the rotational angle sensor, forming a power residual from the measured electrical power and the estimated power value, and monitoring a time curve of the power residual.

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